Раскройте скобки и поставьте глагол в нужную форму 1. dental students ( to receive ) their education in specialized dental schools. 2. in russia a training course for certified dental students ( to last ) five academic years. 3. apart from general medical disciplines, the four principal divisions of dentistry ( to recognize ) in curricula in russia. 4. entry to a dentistry department ( to depend) on the resul ts of com-petitive examinations. 5. for hundreds of years people ( to believe ) that tooth decay ( to cause) by a worm in the teeth. 6. short courses (to offer) regularly to dentists to keep them informed of the new developments in dentistry. 7 . dentistry ( to consider ) well-paid and secure employment in great britain. 8. study of basic medical and dental subjects ( to interconnect ) closely with clinical dentistry. 9. anatomy , biochemistry and physiology ( to study) at medical uni-versities. 10. before starting to work wi th patients in clinics, students ( to teach) the techniques on phantom heads. 11. doctors ( to look) for new ways to help patients. 12. medical science ( to make ) a lot of progress in recent years both in treatment and diagnosis. 13. many simple measures ( to take ) to prevent dental diseases. 1 4. preventive care ( to aim) at the two major tooth troubles: caries and gum diseases. 15. preventive orthodontics ( to be ) another aspect of early treatment.